First slide

Classification of Animals

Question

A file-like rasping organ called radula is present in the buccal cavity of

Easy

A

sea walnut
B

brittle star
C

apple snail
D

king crab

Solution

Apple snail (Mollusca) has a file-like rasping organ called radula in its oral cavity.
Sea walnut (Ctenophora), brittle star (Echinodermata) and king crab (Arthropoda) lack radula.

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